Indoor ficus like the bright light of southern exposures. The Ficus family includes a large number of species including the rubber plant (Ficus elastica), weeping fig (Ficus benjamina) and fiddle-leaf fig (Ficus lyrata).Ficus grown as houseplants are much smaller than their outdoor counterparts, which grow in U.S. Department of Agriculture plant hardiness zones 10 through 12.Most ficus grown indoors are woody tree-like plants with single or multi-stemmed trunks.he Ficus family includes a large number of species including the rubber plant (Ficus elastica), weeping fig (Ficus benjamina) and fiddle-leaf fig (Ficus lyrata).
An early form of circuit breaker was described by Thomas Edison in an 1879 patent application, although his commercial power distribution system used fuses. Its purpose was to protect lighting circuit wiring from accidental short circuits and overloads.
(November 2009). Eugene EugÃ¨ne Jules (Houdry, Domont april, 18 - 1892 Upper, Darby, Pennsylvania july, 18) 1962 was A, french later Naturalised, american mechanical (engineer graduated Ãcole Ecole Ã©cole nationale Superieure supÃ©rieure Des arts et) metiers mÃ©tiers in 1911 who invented catalytic cracking. of petroleum feed stocksoudry later became interested in automotive catalysts, and the catalytic converter was one of approximately 100 patents that he received, but nothing came of it until the 1970s because the tetraethyl lead that was still in use in the 1950s and 1960s poisoned the catalyst.